package com.appspot.eusms.service;

import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.os.IBinder;
import android.os.PowerManager;
import android.util.Log;

import com.appspot.eusms.util.DirectoryHelper;

import java.util.concurrent.Executor;
import java.util.concurrent.Executors;

public class DirectoryRefreshService extends Service {

    public static final String REFRESH_ACTION = "org.whispersystems.whisperpush.REFRESH_ACTION";

    private static final Executor executor = Executors.newSingleThreadExecutor();

    @Override
    public int onStartCommand(Intent intent, int flags, int startId) {
        if (REFRESH_ACTION.equals(intent.getAction())) {
            handleRefreshAction();
        }
        return START_NOT_STICKY;
    }

    @Override
    public IBinder onBind(Intent intent) {
        return null;
    }

    private void handleRefreshAction() {
        PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
        PowerManager.WakeLock wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "Directory Refresh");
        wakeLock.acquire();

        executor.execute(new RefreshRunnable(wakeLock));
    }

    private class RefreshRunnable implements Runnable {
        private final PowerManager.WakeLock wakeLock;
        private final Context context;

        public RefreshRunnable(PowerManager.WakeLock wakeLock) {
            this.wakeLock = wakeLock;
            this.context = DirectoryRefreshService.this.getApplicationContext();
        }

        public void run() {
            try {
                Log.w("DirectoryRefreshService", "Refreshing directory...");

                DirectoryHelper.refreshDirectory(context);

                Log.w("DirectoryRefreshService", "Directory refresh complete...");
            } finally {
                if (wakeLock != null && wakeLock.isHeld())
                    wakeLock.release();
            }
        }
    }
}
